'SC'

Steve Chaplin · Steve Chaplin · commit 547b5fe22088 · 2005-08-31T09:43:49.000Z
svn path=/trunk/matplotlib/; revision=1687
diff --git a/lib/matplotlib/backends/backend_cairo.py b/lib/matplotlib/backends/backend_cairo.py
@@ -24,16 +24,7 @@
 import warnings
 def _fn_name(): return sys._getframe(1).f_code.co_name
 
-from matplotlib.backend_bases import RendererBase, GraphicsContextBase,\
-     FigureManagerBase, FigureCanvasBase
-from matplotlib.cbook      import enumerate, izip
-from matplotlib.figure     import Figure
-from matplotlib.mathtext   import math_parse_s_ft2font
-import matplotlib.numerix as numx
-from matplotlib.transforms import Bbox
-
 import cairo
-
 _version_required = (0,9,0)
 if cairo.version_info < _version_required:
    raise SystemExit ("Pycairo %d.%d.%d is installed\n"
@@ -42,6 +33,15 @@ def _fn_name(): return sys._getframe(1).f_code.co_name
 backend_version = cairo.version
 del _version_required
 
+from matplotlib.backend_bases import RendererBase, GraphicsContextBase,\
+     FigureManagerBase, FigureCanvasBase
+from matplotlib.cbook      import enumerate, izip
+from matplotlib.figure     import Figure
+from matplotlib.mathtext   import math_parse_s_ft2font
+import matplotlib.numerix as numx
+from matplotlib.transforms import Bbox
+
+
 if hasattr (cairo.ImageSurface, 'create_for_array'):
    HAVE_CAIRO_NUMPY = True
 else:
@@ -588,9 +588,15 @@ def _save_ps_pdf (self, figure, filename, ext, orientation):
                                                  width_in_points)
 
         if ext == 'ps':
+            if not cairo.HAS_PS_SURFACE:
+                raise RuntimeError ('cairo has not been compiled with PS '
+                                    'support enabled')
             surface = cairo.PSSurface (filename, width_in_points,
                                        height_in_points)
         else: # pdf
+            if not cairo.HAS_PDF_SURFACE:
+                raise RuntimeError ('cairo has not been compiled with PDF '
+                                    'support enabled')
             surface = cairo.PDFSurface (filename, width_in_points,
                                         height_in_points)
         # surface.set_dpi() can be used
